def processInputData(request):
'''
Extract File name & determine what file corresponds to what for gengraph
@param request: the request object
'''
filesInUploadDir = os.listdir(request.session['derivatives'])
roi_xml_fn, fiber_fn, roi_raw_fn = checkFileExtGengraph(filesInUploadDir) # Check & sort files
''' Fully qualify file names '''
fiber_fn = os.path.join(request.session['derivatives'], fiber_fn)
roi_raw_fn = os.path.join(request.session['derivatives'], roi_raw_fn)
roi_xml_fn = os.path.join(request.session['derivatives'], roi_xml_fn)
try:
request.session['Gfn']= call_gengraph(fiber_fn, roi_xml_fn, roi_raw_fn, \
request.session['graphs'], request.session['graphInvariants'],\
request.session['graphsize'], True)
except:
if request.session['graphsize'] == 'big':
msg = "Hello,\n\nYour most recent job failed either because your fiber streamline file or ROI mask was incorrectly formatted."
msg += " Please check both and try again.%s\n\n" % (" "*randint(0,10))
sendJobFailureEmail(request.session['email'], msg)
return HttpResponseRedirect(get_script_prefix()+"jobfailure")
# Run ivariants here
if len(request.session['invariants']) > 0:
print "Computing invariants ..."
request.session['invariant_fns'] = runInvariants(request.session['invariants'],\
request.session['Gfn'], request.session['graphInvariants'])
if request.session['graphsize'] == 'big':
dwnldLoc = request.META['wsgi.url_scheme'] + '://' + \
request.META['HTTP_HOST'] + request.session['usrDefProjDir'].replace(' ','%20')
sendJobCompleteEmail(request.session['email'], dwnldLoc)
return HttpResponseRedirect(get_script_prefix()+'confirmdownload')
def upload(request, webargs=None):
"""
Programmatic interface for uploading data
@param request: the request object
@param webargs: POST data with userDefProjectName, site, subject, session, scanId, graphsize, [list of invariants to compute] info
"""
if (webargs and request.method == 'POST'):
# Check for malformatted input
webargs = webargs[1:] if webargs.startswith('/') else webargs
webargs = webargs[:-1] if webargs.endswith('/') else webargs
if len(webargs.split('/')) == 7:
[userDefProjectName, site, subject, session, scanId, graphsize, request.session['invariants']] = webargs.split('/')
request.session['invariants'] = request.session['invariants'].split(',')
elif len(webargs.split('/')) == 6:
[userDefProjectName, site, subject, session, scanId, graphsize] = webargs.split('/')
else:
# Some sort of error
return HttpResponseBadRequest ("Malformatted programmatic request. Check format of url and data requests")
userDefProjectDir = adaptProjNameIfReq(os.path.join(settings.MEDIA_ROOT, 'public', userDefProjectName, site, subject, session, scanId))
''' Define data directory paths '''
derivatives, graphs, request.session['graphInvariants'] = defDataDirs(userDefProjectDir)
''' Make appropriate dirs if they dont already exist '''
create_dir_struct([derivatives, graphs,request.session["graphInvariants"]])
print 'Directory structure created...'
uploadFiles = writeBodyToDisk(request.body, derivatives)
# Check which file is which
roi_xml_fn, fiber_fn, roi_raw_fn = checkFileExtGengraph(uploadFiles) # Check & sort files
''' Data Processing '''
if graphsize:
request.session['Gfn']= call_gengraph(fiber_fn, roi_xml_fn, roi_raw_fn, \
graphs, request.session['graphInvariants'],\
graphsize, run=True)
else:
return HttpResponseBadRequest ("Missing graph size. You must specify big or small")
# Run invariants
if request.session.has_key('invariants'):
print "Computing invariants ..."
invariant_fns = runInvariants(request.session['invariants'],\
request.session['Gfn'], request.session['graphInvariants'])
dwnldLoc = request.META['wsgi.url_scheme'] + '://' + \
request.META['HTTP_HOST'] + userDefProjectDir.replace(' ','%20')
return HttpResponse ( "Files available for download at " + dwnldLoc) # change to render of a page with a link to data result
elif(not webargs):
return HttpResponseBadRequest ("Expected web arguments to direct project correctly")
else:
return HttpResponseBadRequest ("Expected POST data, but none given")
